41 materials
Aramid fiber-reinforced plastic (AFRP) combining DuPont Kevlar 49 aramid fibers in a unidirectional 0° orientation with epoxy matrix, processed as prepreg and cured at 120°C. This material is engineered for applications demanding high specific strength, excellent impact resistance, and low density in a fiber-dominated, load-aligned configuration. Industries rely on it for ballistic protection, aerospace structures, and high-performance sporting goods where weight savings and damage tolerance outweigh the cost premium relative to glass or carbon fiber composites.
AS4/3501-6 is a unidirectional carbon fiber reinforced epoxy prepreg system combining Hexcel's AS4 carbon fibers (12K tow) with 3501-6 epoxy matrix, designed for autoclave processing at 175°C. This material is a industry-standard choice for aerospace primary structures, defense applications, and high-performance composite parts where fiber alignment in a single direction is critical for load-bearing efficiency. Engineers select it over multi-directional laminates when maximum stiffness and strength along the primary load axis outweigh omnidirectional property needs, and its well-documented MIL-HDBK-17 qualification makes it a preferred baseline for structural certification and damage-tolerance analysis.
AS4/3502 is a carbon fiber reinforced epoxy composite in plain weave fabric form, combining Hexcel's AS4 carbon fiber (3K tow) with 3502 epoxy matrix, cured via autoclave prepreg processing. This material is a workhorse in aerospace and defense, selected for primary and secondary structures where balanced in-plane properties, damage tolerance, and manufacturing repeatability are required. The plain weave architecture (versus unidirectional or twill) provides good transverse strength and impact resistance with acceptable longitudinal performance, making it ideal when loads aren't purely directional or when lay-up flexibility and ease of handling outweigh ultimate performance density.
AS4 is a continuous carbon fiber produced by Hexcel, widely recognized as an industry-standard intermediate-modulus fiber for polymer matrix composites. It is the workhorse reinforcement in aerospace structures, wind turbine blades, and high-performance sporting goods, chosen for its balance of stiffness, strength, and cost-effectiveness compared to higher-modulus alternatives like IM7 or HS40. Engineers select AS4 when moderate-to-high structural performance is required without the weight or cost penalty of premium fibers, making it the most common choice for primary aircraft structures and demanding composite applications.
AS4/PEEK (APC-2) is a thermoplastic composite combining AS4 carbon fibers with polyetheretherketone (PEEK) resin, engineered for high-performance applications requiring both strength and thermal stability. This material is widely used in aerospace, automotive, and industrial sectors where components must withstand elevated temperatures, aggressive chemical environments, and demanding mechanical loads while maintaining processability through heat forming. AS4/PEEK is valued over traditional thermoset composites for its ability to be re-melted and reshaped, faster manufacturing cycles, and superior impact tolerance, making it particularly attractive for cost-sensitive production and repair scenarios.
AS4/3501-6 quasi-isotropic CFRP is a carbon fiber reinforced epoxy composite with balanced fiber orientation (0°, ±45°, and 90°) designed to provide uniform stiffness and strength in multiple load directions. The layup consists of eight plies of Hexcel AS4 carbon fiber in a 3501-6 epoxy matrix, processed via autoclave prepreg curing, creating a material suitable for applications requiring multidirectional load resistance without a dominant stress direction. This quasi-isotropic architecture makes it a go-to choice over unidirectional or angle-ply laminates when loading conditions are complex or unpredictable, though engineers sacrifice peak performance in any single direction compared to tailored layups.
CFRP IM7/8552 is an autoclave-processed carbon fiber reinforced polymer composite combining Hexcel's high-strength IM7 carbon fibers with a toughened 8552 epoxy matrix, engineered as a unidirectional lamina for primary load-bearing applications. This material system is widely specified in aerospace structures—including aircraft fuselages, wings, and control surfaces—and increasingly adopted in high-performance sporting goods and industrial equipment where weight reduction, damage tolerance, and thermal stability are critical. The IM7/8552 combination is valued over competing systems for its balance of fiber stiffness, matrix fracture resistance, and processing robustness in demanding environments.
IM7/977-3 is a high-performance carbon fiber reinforced polymer (CFRP) composite featuring IM7 intermediate-modulus carbon fibers in a 977-3 toughened epoxy matrix, engineered for unidirectional fiber alignment to maximize strength and stiffness along the fiber direction. This system is widely used in aerospace primary structures, wind turbine blades, and high-performance sporting equipment where the combination of low weight, high fiber-direction strength, and superior matrix toughness (977-3 is Hexcel's damage-resistant formulation) provides advantages over brittle conventional epoxy systems. Engineers select IM7/977-3 when damage tolerance, impact resistance, and hot-wet performance are critical alongside weight savings—particularly in military aircraft, commercial jetliners, and harsh operating environments where intermediate fiber modulus balances stiffness gains with superior fiber toughness compared to high-modulus alternatives.
CFRP M55J/RS-3C is an ultra-high modulus carbon fiber reinforced polymer combining Toray's M55J carbon fiber with TenCate's cyanate ester matrix, processed via autoclave prepreg for 0° unidirectional layup. This material targets aerospace and space structures where exceptional stiffness-to-weight ratio and dimensional stability under thermal cycling are critical performance drivers. The combination of ultra-high modulus fiber with a high-temperature thermoset matrix makes it suitable for demanding applications that require minimal deflection, superior creep resistance, and reliable performance in extended temperature environments—distinguishing it from general-purpose epoxy composites used in less stringent load cases.
T300/934 is a unidirectional carbon fiber composite combining Toray's widely-used T300 carbon fibers with Fiberite's 934 epoxy matrix, produced via autoclave prepreg processing. This material is a workhorse in aerospace and defense applications where moderate-temperature performance, reliable processability, and cost-effectiveness matter more than cutting-edge performance—it remains a baseline choice for primary structures, control surfaces, and components where damage tolerance and manufacturing repeatability are critical. Engineers typically select T300/934 over newer fiber systems when specifications allow, because the extensive historical data, mature supply chain, and well-understood failure modes reduce design risk and certification burden.
CFRP T700/2510 is a unidirectional carbon fiber reinforced polymer composite combining Toray's T700S carbon fibers with a 2510 epoxy matrix, processed as an out-of-autoclave (OOA) prepreg system that cures at moderate temperature without requiring autoclave equipment. This material is widely used in aerospace, defense, and performance-critical structures where weight savings, stiffness, and damage tolerance are essential—particularly in secondary structures, control surfaces, and components where the out-of-autoclave processing reduces manufacturing cost and facility overhead compared to autoclave-dependent systems. The unidirectional fiber orientation makes it ideal for applications requiring directional strength optimization, and the 2510 epoxy matrix offers good toughness and environmental resistance, making it a practical choice for engineers balancing performance demands with manufacturing simplicity.
CFRP T800H/3900-2 is a high-performance unidirectional carbon fiber reinforced polymer combining Toray's T800H intermediate-modulus carbon fiber with a toughened epoxy matrix, processed via autoclave prepreg for consistent fiber alignment and minimal voids. It is used in aerospace primary structures (wings, fuselages), high-speed rotorcraft, and demanding defense applications where the combination of stiffness, strength, and impact resistance enables weight reduction without sacrificing damage tolerance. Engineers select this material over standard T700 or IM7 systems when the superior fiber properties and toughened matrix justify the cost—particularly in load-critical components that experience transverse loads, vibration, or require excellent fatigue performance.
AS4/PEEK (APC-2) is a carbon-fiber-reinforced thermoplastic composite combining Hexcel AS4 carbon fibers with Victrex PEEK matrix resin, processed via thermoplastic stamp forming or automated fiber placement (AFP) at 390°C. This material class bridges aerospace-grade performance with manufacturing flexibility: unlike thermoset composites, it can be melted and reformed, enabling rapid consolidation, rework, and complex near-net-shape production without lengthy cure cycles. Industries from commercial aerospace (fuselage components, interior panels) to high-performance automotive and oil & gas drilling applications adopt it when damage tolerance, temperature resistance, and production speed outweigh the cost premium of thermoset alternatives.
Carbon fiber-reinforced thermoplastic composite with a polyphenylene sulfide (PPS) matrix, manufactured via press consolidation at 320°C. This unidirectional 0° layup combines T300 carbon fibers at 50% volume fraction with an inherently flame-resistant, chemical-stable thermoplastic resin. CFRTP/PPS is chosen for demanding aerospace and automotive applications where high stiffness, low density, chemical resistance, and elevated temperature performance are required without the processing constraints of thermoset epoxies—the thermoplastic matrix enables rapid consolidation, potential re-molding, and improved impact tolerance compared to brittle thermoset alternatives.
Nextel 720/Aluminosilicate is a ceramic matrix composite (CMC) combining alumina-silica fibers in an aluminosilicate matrix, processed via slurry infiltration and high-temperature sintering. This oxide/oxide system is used in aerospace thermal protection, industrial furnace components, and high-temperature engine applications where oxidation resistance and damage tolerance are critical. Unlike brittle monolithic ceramics, this CMC retains some load-carrying capacity after matrix cracking, making it suitable for cyclic thermal and mechanical loading in extreme environments.
SiC/SiC ceramic matrix composite (CMC) reinforced with Hi-Nicalon S silicon carbide fibers in a dense SiC matrix, produced via chemical vapor infiltration (CVI) combined with polymer infiltration and pyrolysis (PIP). This cross-ply laminate architecture ([0/90]₂) delivers excellent damage tolerance and thermal stability compared to monolithic ceramics. Used in extreme-temperature structural applications where thermal shock resistance, light weight, and retention of strength at elevated temperatures are critical, particularly in aerospace propulsion (engine hot sections) and next-generation power generation systems; offers a significant advantage over superalloy alternatives by operating at higher temperatures while maintaining lower density.
E-Glass/Epoxy [0]₄ UD is a unidirectional fiber-reinforced polymer composite consisting of E-glass fibers aligned in a single direction (0°) and bound with epoxy resin, representing a simplified laminate configuration commonly used in materials research and structural testing. This material is used in aerospace structures, wind turbine blades, marine applications, and automotive components where directional strength is critical; the unidirectional fiber alignment makes it ideal for applications requiring maximum stiffness and strength along the primary load path while providing a well-characterized baseline for composite mechanics research and validation. The SNL/MSU designation indicates this is a standardized research material developed collaboratively, making it valuable for engineers validating analytical models, comparing performance across manufacturing batches, or establishing knockdown factors for design.
E-Glass/Epoxy is a lightweight fiber-reinforced polymer composite combining E-glass fibers in an 8-harness satin weave fabric with an epoxy resin matrix, typically produced via prepreg or wet layup processing per MIL-HDBK-17 military specifications. This material is widely used in aerospace, marine, and defense applications where balanced stiffness, strength, and cost-effectiveness are required—including aircraft interior components, structural panels, and composite casings. Engineers select E-Glass/Epoxy over aramid or carbon alternatives when budget and environmental durability are priorities, or when the lower density compared to traditional metals provides sufficient performance margins for secondary or semi-structural roles.
E-Glass/Epoxy unidirectional composite is a fiber-reinforced polymer consisting of aligned E-glass fibers (55% by volume) embedded in an epoxy resin matrix, manufactured via filament winding or prepreg lay-up processes and qualified to MIL-HDBK-17 military standards. This material delivers high stiffness and strength along the fiber axis while remaining lightweight, making it the workhorse composite for load-bearing structures where unidirectional reinforcement aligns with primary stress directions. Engineers select it over isotropic metals or multidirectional laminates when weight reduction, cost efficiency, and directional strength optimization are critical, particularly in applications where fibers can be oriented to match load paths.
E-Glass Fiber is an alkali-free borosilicate glass fiber that serves as the reinforcement phase in composite materials, offering an excellent balance of strength, stiffness, and cost-effectiveness. It is the most widely used fiber reinforcement in the composites industry, found in applications ranging from automotive body panels and wind turbine blades to marine hulls, aerospace components, and consumer sporting goods. Engineers select E-Glass over alternatives like carbon fiber when cost efficiency is prioritized without sacrificing structural performance, and its superior corrosion resistance makes it particularly valuable in moisture-exposed or chemically aggressive environments.
GFRP E-Glass/Epoxy Quasi-Isotropic is a fiber-reinforced polymer composite featuring balanced fiber orientations (0°, ±45°, and 90°) in an epoxy matrix, manufactured via vacuum infusion for good void control and consistent properties in all directions. Commonly used in marine hulls, wind turbine blades, aerospace fairings, and automotive body panels where multidirectional loading and moderate service temperatures are expected; the quasi-isotropic layup trades peak strength in any single direction for reliable performance under unpredictable loading angles and complex stress states. This configuration is preferred over unidirectional or bidirectional laminates when design simplicity, impact tolerance, and cost-effective manufacturing are priorities—particularly in applications where tooling investment must be amortized across high production volumes.
GFRP E-Glass/Epoxy Unidirectional is a fiber-reinforced polymer composite consisting of continuous E-glass fibers aligned in a single direction (0°) and embedded in an epoxy resin matrix, typically manufactured via filament winding or prepreg processes and cured at 120°C. This material is widely used in structural applications requiring high strength-to-weight ratio and directional stiffness, such as wind turbine blades, pressure vessels, and aerospace components where unidirectional fiber alignment delivers maximum load-carrying capacity along the primary stress axis. Engineers select this material over multi-directional layups when loads are predominantly uniaxial, or over isotropic metals when weight reduction and corrosion resistance are critical; the straightforward fiber orientation also simplifies manufacturing and cost control in high-volume production.
S-2 Glass/Epoxy unidirectional prepreg is a high-performance fiber-reinforced polymer composite combining S-2 glass fibers (a premium borosilicate-alumina glass with superior strength) with an epoxy matrix in a single-direction fiber alignment, processed via autoclave curing. This material is engineered for applications demanding higher strength-to-weight ratios and better environmental resistance than standard E-glass composites, making it the choice for aerospace, defense, and high-performance sporting equipment where weight savings and durability justify the added cost. The unidirectional fiber architecture maximizes longitudinal performance, while the prepreg format ensures consistent fiber volume fraction and rapid, repeatable manufacturing in high-reliability environments.
A carbon/glass fiber hybrid composite with an epoxy matrix, featuring a strategically layered design combining T300 carbon fibers in the primary load direction with E-glass cross-plies at ±45° for torsional and impact resistance. This hybrid architecture balances the high stiffness and low weight of carbon fiber with the cost-effectiveness and impact toughness of glass fiber, making it ideal for applications where weight savings and performance matter but full-carbon construction costs are prohibitive. The prepreg layup process and moderate cure temperature (120°C) enable consistent quality production suitable for aerospace secondary structures, automotive chassis components, and sporting goods where a compromise between performance, durability, and manufacturing cost is optimal.
A quasi-isotropic fiber-reinforced composite combining high-modulus IM7 carbon fibers in the 0° load-bearing plies with Kevlar 49 aramid fibers in the ±45° shear plies, all bound in a toughened epoxy matrix and consolidated via autoclave prepreg processing. This hybrid architecture balances the stiffness and strength advantages of carbon fiber with the impact resistance and damage tolerance of Kevlar, while the toughened epoxy system resists matrix cracking under thermal and mechanical cycling. Widely used in aerospace primary structures (fuselage panels, wing skins), high-performance sporting equipment (bicycle frames, helmets), and defense applications where impact damage tolerance and environmental durability are as critical as structural efficiency; the hybrid approach is favored over carbon-only laminates when crash-resistance, vibration damping, or multi-impact scenarios are design drivers.
IM7/8551-7 is a carbon fiber/epoxy prepreg composite consisting of Hexcel's high-strength IM7 carbon fibers in a toughened Cytec 8551-7 epoxy matrix, supplied as unidirectional tape for autoclave processing. This material combines excellent fiber properties with a damage-tolerant resin system, making it a workhorse for aerospace structures requiring high stiffness, strength, and impact resistance in a production-friendly format. Engineers select it over standard epoxy composites when damage tolerance and processing robustness are critical, and over other IM7 formulations when both hot-wet performance and toughness matter.
IM7/8552 [0]₈ UD is a unidirectional carbon fiber reinforced epoxy composite consisting of IM7 carbon fibers in an 8552 epoxy resin matrix, configured in a zero-degree fiber orientation ([0]₈ indicates 8 plies aligned along the primary load axis). This material system represents a high-performance aerospace-grade composite optimized for primary load-bearing structures requiring exceptional stiffness and tensile strength in the fiber direction. IM7/8552 is widely used in military and commercial aircraft fuselages, wing structures, and spacecraft components where weight savings, fatigue resistance, and structural efficiency are critical; it is chosen over conventional aluminum or lower-performance composites when mission requirements demand superior strength-to-weight ratio and damage tolerance in controlled manufacturing environments.
IM7/8552 is a carbon fiber reinforced polymer (CFRP) composite featuring IM7 carbon fibers in an 8552 epoxy resin matrix, with a quasi-isotropic layup configuration ([90]₈ denoting eight plies oriented at 90°). This material system is widely used in aerospace and defense applications where high specific strength, stiffness, and environmental resistance are critical, particularly in primary structures that experience moderate to high service temperatures. IM7/8552 is favored over lower-performance alternatives for applications demanding superior fatigue resistance, dimensional stability, and damage tolerance, making it a standard choice in commercial and military aircraft, satellites, and advanced composites where weight reduction and structural reliability directly impact performance.
IM7 is an intermediate-modulus polyacrylonitrile (PAN)-based carbon fiber produced by Hexcel, designed to balance stiffness and toughness in structural composites. It is widely used in aerospace primary structures, wind turbine blades, and high-performance sporting goods where weight savings and damage tolerance are critical; IM7 offers superior impact resistance and manufacturing ease compared to high-modulus fibers, making it the preferred choice for damage-tolerant design in commercial aircraft and large rotating machinery.
Kevlar 49 is a para-aramid synthetic fiber produced by DuPont, engineered for applications demanding exceptional strength-to-weight performance and dimensional stability under load. It is widely deployed in aerospace composites, ballistic protection systems, and marine structures where engineers need to minimize weight while maintaining structural integrity and resistance to impact. Compared to glass fiber and carbon fiber alternatives, Kevlar 49 offers superior impact absorption and damage tolerance, making it the preferred choice when toughness and energy dissipation are critical alongside lightweight design.
Kevlar 49/Epoxy unidirectional composite is a fiber-reinforced polymer made from DuPont Kevlar 49 aramid fibers aligned in a single direction (0°) and bonded in an epoxy matrix using prepreg layup manufacturing. This material balances exceptional tensile strength-to-weight ratio with impact resistance and damping characteristics inherent to aramid fibers, making it well-suited for applications demanding lightweight structural performance without the brittleness of carbon fiber composites. It is widely specified in aerospace, defense, and sporting goods industries where impact tolerance, vibration damping, and damage resistance outweigh the need for maximum stiffness, and its unidirectional ply format allows engineers to build custom laminate schedules for directional load optimization.
SiC/Al 6061 is a metal matrix composite (MMC) consisting of silicon carbide particles (20 vol%) dispersed throughout an aluminum 6061-T6 matrix, typically produced via stir casting or powder metallurgy. This material combines the lightweight and workability of aluminum with the stiffness and hardness of ceramic particles, offering improved strength-to-weight ratio and wear resistance compared to unreinforced aluminum alloys. It is used in automotive and aerospace applications where weight reduction, thermal management, and structural rigidity are critical, and represents a practical middle ground between conventional aluminum alloys and more expensive fiber-reinforced composites.
A natural fiber-reinforced polymer composite consisting of unidirectional flax fibers embedded in a bio-based epoxy matrix, manufactured via RTM or compression molding with a relatively low fiber volume fraction (45%). This material combines renewable content with structural performance, making it suitable for applications where weight reduction and environmental footprint are design priorities alongside mechanical requirements. Unlike synthetic fiber composites (carbon/glass), flax/bio-epoxy offers biodegradability and lower embodied energy, though with reduced stiffness and temperature capability—positioning it as a sustainable alternative for semi-structural and non-critical load-bearing applications in automotive, consumer goods, and sporting equipment sectors.
S-2 Glass/Epoxy unidirectional composite is a fiber-reinforced polymer consisting of high-strength S-2 glass fibers (a boron-containing variant offering improved performance over standard E-glass) embedded in an epoxy matrix, processed via autoclave prepreg for consistent quality and fiber alignment. This material is widely specified in aerospace, defense, and marine structures where the unidirectional fiber orientation maximizes load-bearing capacity along the primary stress axis, making it a workhorse for damage-tolerant primary structures that require both strength and repeatability per military specifications. Engineers select S-2 Glass/Epoxy over E-glass alternatives when thermal performance and fatigue resistance justify the higher material cost, and over carbon-fiber systems when cost, impact tolerance, or electromagnetic transparency are design drivers.
S-2 Glass Fiber is a high-performance silicate glass fiber produced by AGY that offers superior strength and stiffness compared to conventional E-glass, making it the reinforcement phase in advanced composite systems. It is widely deployed in aerospace structures (primary and secondary aircraft components), military applications, high-performance sporting goods, and industrial composites where weight reduction and durability under demanding thermal and mechanical conditions are critical. Engineers select S-2 Glass over standard glass fibers when projects require improved load-bearing capacity, better fatigue resistance, and enhanced environmental durability without the cost premium of carbon fiber.
A lightweight sandwich composite consisting of thin T300 carbon fiber/epoxy skins (0° and ±45° plies) bonded to a Nomex honeycomb core, manufactured via co-cure autoclave process. This architecture delivers high bending stiffness and strength with minimal weight, making it ideal for applications where rigidity and damage tolerance are critical. CFRP/Nomex sandwich panels are widely used in aerospace primary and secondary structures, marine hulls, and high-performance sporting goods where the material's exceptional stiffness-to-weight ratio and impact-resistant core outweigh the cost of solid laminates or foam-core alternatives.
A lightweight sandwich composite consisting of thin E-glass/polyester skins bonded to a rigid PVC foam core (Divinycell H80), manufactured via vacuum-assisted resin transfer molding (VARTM) at room temperature. This class of material combines the corrosion resistance and workability of polyester/vinylester matrices with the structural efficiency of closed-cell foam, creating a high strength-to-weight panel suitable for marine and aerospace environments. Engineers select this sandwich construction when bending stiffness and impact resistance are critical but weight must be minimized, making it a practical alternative to solid laminates or heavier structural foams in cost-sensitive applications.
SiC/SiC CMC (ceramic matrix composite) with Hi-Nicalon S fibers reinforced by chemical vapor infiltration (CVI) is an advanced ceramic composite that combines silicon carbide fibers within a silicon carbide matrix, engineered to retain strength and damage tolerance at extreme temperatures where monolithic ceramics fail. This material is used in aerospace propulsion (jet engine hot sections, combustor liners), industrial gas turbines, and thermal protection systems where lightweight performance and thermal cycling resistance are critical; it outperforms traditional superalloys and unreinforced ceramics by maintaining structural integrity under thermal shock and providing graceful failure modes rather than brittle fracture.
T300/5208 is a carbon fiber–epoxy prepreg composite consisting of Toray T300 carbon fibers in a Narmco 5208 epoxy matrix, cured via autoclave at 177°C. This unidirectional tape is a legacy aerospace material specified in MIL-HDBK-17, widely used in primary and secondary aircraft structures where a balance of stiffness, strength, and proven damage tolerance is required. Engineers select it for cost-effective, high-performance applications where established processing procedures, extensive property data, and certification support are critical—particularly in military aircraft, helicopter components, and commercial aerospace where damage tolerance and inspectability are design drivers.
T300/934 is a carbon fiber/epoxy composite laminate with a quasi-isotropic (QI) layup sequence of [0/45/-45/90]s, combining fibers oriented in four directions to provide balanced multi-directional load resistance. This material is widely used in aerospace structures, automotive components, and sporting goods where moderate-to-high stiffness and strength with good impact resistance are required without the premium cost of advanced fiber systems. The quasi-isotropic configuration makes it a practical choice for applications experiencing complex loading from multiple directions, though designers often select it as a stepping stone from isotropic materials before moving to tailored, directional laminates for weight-critical designs.
T300 is a polyacrylonitrile (PAN)-based carbon fiber produced by Toray and represents the industry benchmark for general-purpose structural composites. It balances cost-effectiveness with solid mechanical performance, making it the workhorse fiber in aerospace, automotive, and sporting goods applications where high stiffness-to-weight ratio and consistent quality are essential—preferred over cheaper fibers for critical load paths and over premium fibers (T700, T800) where maximum performance isn't required.